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Changes in the state of materials (clip compilation) - Materials: Video playlist - BBC Bitesize
A range of materials which have been mixed, burnt, melted and cooled.
↗ https://www.bbc.co.uk/bitesize/topics/zjty4wx/watch/zkqf382A range of materials which have been mixed, burnt, melted and cooled.
↗ https://www.bbc.co.uk/bitesize/topics/zjty4wx/watch/zkqf382